289556729

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{23357}}^1$

素因数の和:23405

約数の個数: 24

約数和(自身を含む): 383444928

約数和(自身を除く): 93888199

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397, 23357, 163499, 256927, 537211, 1144493, 1798489, 3760477, 5909321, 12589423, 26323339, 41365247, 289556729]

約数ペア:

[(1, 289556729), (7, 41365247), (11, 26323339), (23, 12589423), (49, 5909321), (77, 3760477), (161, 1798489), (253, 1144493), (539, 537211), (1127, 256927), (1771, 163499), (12397, 23357)]